diff --git a/merb-cache/lib/merb-cache/cache-page.rb b/merb-cache/lib/merb-cache/cache-page.rb
index f216d25..780b3b7 100644
--- a/merb-cache/lib/merb-cache/cache-page.rb
+++ b/merb-cache/lib/merb-cache/cache-page.rb
@@ -165,7 +165,7 @@ module Merb::Cache::ControllerInstanceMethods
   # data<String>:: the data that has been read from the file
   def cache_read_page(cache_file)
     _data = nil
-    File.open(cache_file, "r") do |cache_data|
+    File.open(cache_file, "r+") do |cache_data|
       cache_data.flock(File::LOCK_EX)
       _data = cache_data.read
       cache_data.flock(File::LOCK_UN)